Whether your an expert Jeep Wrangler car alarm installer, Jeep Wrangler performance fan or a novice Jeep Wrangler enthusiast with a 2003 Jeep Wrangler, a Jeep Wrangler car alarm wiring diagram can save yourself a lot of time. One of the most time consuming tasks with installing an after market car alarm, car security, car remote start, automatic remote starter, shock sensor, tilt sensor, car alarm sensor or any auto alarm is identifying the correct color car security wires for a 2003 Jeep Wrangler.

The Modified Life staff has taken all its Jeep Wrangler car alarm wiring diagrams, Jeep Wrangler car security wiring diagrams, Jeep Wrangler car alarm wire diagrams, Jeep Wrangler car security wiring schematics, Jeep Wrangler car security diagrams, Jeep Wrangler remote starter wiring diagrams and cataloged them online for our visitors to use for free. Our automotive wiring diagrams allow you to enjoy your new auto security electronics rather than spend countless hours trying to figure out which wires goes where.

Feel free to use any Jeep Wrangler auto alarm wiring diagram that is listed on Modified Life but keep in mind that all information here is provided “as is” without any warranty of any kind and most of the auto security wiring diagrams listed on our enthusiast website are submitted by the Modified Life community. Use of the wiring information is at your own risk. Always verify all wires, wire colors and diagrams before applying any information found here to your 2003 Jeep Wrangler.

Questions

If you have any questions pertaining to the car wiring in a 2003 Jeep Wrangler, please feel free to post it at the bottom of this page and either we’ll do our best to find you the information you need or hopefully someone in the Modified Life community will have the information you are looking for.

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Adding More Information

If you would like to help the Modified Life community by adding a car security wire schematic, car alarm wire diagram, car remote starter wire diagram, auto remote starter wire diagram or auto security wire diagram to our resource, please feel free to post any additional car wiring information about the 2003 Jeep Wrangler on this page.

2003 Jeep Wrangler Auto Alarm Wiring Diagram

Battery Constant 12v+ Positive Wire (+): Pink/Black
Battery Constant 12v+ Positive Wire Location: Ignition Switch Harness

Starter Positive Wire (+): Yellow
Starter Positive Wire Location: Ignition Switch Harness

Ignition Positive Wire (+): Dark Blue
Ignition Positive Wire Location: Ignition Switch Harness

Accessory Positive Wire (+): Black/Orange
Accessory Positive Wire Location: Ignition Switch Harness

Parking Light Positive Wire (+): Black/Yellow
Parking Light Positive Wire Location: At Headlight Switch

Power Door Lock Negative Wire (-): Add Actuators
Power Door Lock Negative Wire Location: To Both Doors

Power Door Unlock Negative Wire (-): Add Actuators
Power Door Unlock Negative Wire Location: To Both Doors

Door Trigger Negative Wire (-): Tan and Tan/Red (Use Both). This vehicle has (2) door trigger wires, a tan (-) and a tan/red (-), when connecting to an alarm system, use both door trigger wires and diode isolate.
Door Trigger Negative Wire Location: In Drivers Kick Panel (At Gray 40-Pin Plug).

Domelight Supervision Wire (-): Tan (Requires Relay)
Domelight Supervision Wire Location: In Drivers Kick Panel (At Gray 40-Pin Plug).

Horn Negative Negative Wire (-): Red/Yellow
Horn Negative Negative Wire Location: At Steering Column Harness

Tachometer Wire Negative Wire (-): Gray
Tachometer Wire Negative Wire Location: At Ignition Coil

Brake Light Positive Wire (+): White/Tan
Brake Light Positive Wire Location: At Switch Above Brake Pedal

Factory Alarm Disarm Wire (-): N/A
Factory Alarm Disarm Wire Location: N/A

Factory Anti-Theft Wire (-): Chrysler’s Sentry Key (Gray Key Only) A Transponder System
Factory Anti-Theft Wire Location: Transponder At Ignition Switch Tumbler